diff --git a/vars/wildPipeline.groovy b/vars/wildPipeline.groovy
index adc2eb7..5c44ebf 100644
--- a/vars/wildPipeline.groovy
+++ b/vars/wildPipeline.groovy
@@ -3,7 +3,7 @@ def call() {
     string pod_init_label = "wild-init-1"
     string pod_run_label = "wild-run-1"
     def k8s_containers_init = libraryResource('config/k8s/containers-init.yaml')
-    var k8s_containers_run = null
+    def k8s_containers_run
 
     def colored_xterm = isColoredXterm()
     def env_variables_list = [